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caption-side

The caption-side CSS property puts the content of a table's <caption> on the specified side. The values are relative to the writing-mode of the table.

Syntax

/* Directional values */ 
caption-side: top; 
caption-side: bottom; 

/* Warning: non-standard values */ 
caption-side: left; 
caption-side: right; 
caption-side: top-outside; 
caption-side: bottom-outside; 

/* Global values */ 
caption-side: inherit; 
caption-side: initial; 
caption-side: unset;

The caption-side property is specified as one of the keyword values listed below.

Values

top
The caption box should be positioned above the table.
bottom
The caption box should be positioned below the table.
left
The caption box should be positioned on the left side of the table.
This value was proposed for CSS 2, but removed from the final CSS 2.1 specification. It is non-standard.
right
The caption box should be positioned on the right side of the table.
This value was proposed for CSS 2, but removed from the final CSS 2.1 specification. It is non-standard.
top-outside
The caption box should be positioned above the table, while the width and horizontal alignment behavior are not bound to the table's horizontal layout.
The CSS 2.1 specification notes that the CSS 2 specification described a different behavior for the top value, which will be reintroduced by this value in a future specification.
bottom-outside
The caption box should be positioned below the table, while the width and horizontal alignment behavior are not bound to the table's horizontal layout.
The CSS 2.1 specification notes that the CSS 2 specification described a different behavior for the bottom value, which will be reintroduced by this value in a future specification.

Formal syntax

top | bottom | block-start | block-end | inline-start | inline-end

Example

HTML

<table class="top">
  <caption>Caption ABOVE the table</caption>
  <tr>
    <td>Some data</td>
    <td>Some more data</td>
  </tr>
</table>

<br>

<table class="bottom">
  <caption>Caption BELOW the table</caption>
  <tr>
    <td>Some data</td>
    <td>Some more data</td>
  </tr>
</table>

CSS

.top caption {
  caption-side: top;
}

.bottom caption {
  caption-side: bottom;
}

table {
  border: 1px solid red;
}

td {
  border: 1px solid blue;
}

Result

Specifications

Specification Status Comment
CSS Logical Properties and Values Level 1
The definition of 'caption-side' in that specification.
Editor's Draft Defines the top and bottom values as relative to the writing-mode value.
CSS Level 2 (Revision 1)
The definition of 'caption-side' in that specification.
Recommendation Initial definition.
Initial value top
Applies to table-caption elements
Inherited yes
Media visual
Computed value as specified
Animation type discrete
Canonical order the unique non-ambiguous order defined by the formal grammar

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 1 12 1 8 4 1
Non-standard values left, right, top-outside, and bottom-outside No No Yes No No No
top and bottom are relative to the writing-mode value No No 42 No No No
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support Yes ? Yes 4 ? Yes ?
Non-standard values left, right, top-outside, and bottom-outside No ? No Yes No No No
top and bottom are relative to the writing-mode value No ? No 42 No No No

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/caption-side